组六必中万能方法简介：Is this cinnabar? Shouldn't cinnabar be red? Why is this color so dark? Wang Yan on the side couldn't help but asked doubtfully: Moreover, cinnabar should be in powder form?
Is this cinnabar? Shouldn't cinnabar be red? Why is this color so dark? Wang Yan on the side couldn't help but asked doubtfully: Moreover, cinnabar should be in powder form?
